EP2792321B1 - Instrument chirurgical multicanule - Google Patents

Instrument chirurgical multicanule Download PDF

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Publication number
EP2792321B1
EP2792321B1 EP13164090.6A EP13164090A EP2792321B1 EP 2792321 B1 EP2792321 B1 EP 2792321B1 EP 13164090 A EP13164090 A EP 13164090A EP 2792321 B1 EP2792321 B1 EP 2792321B1
Authority
EP
European Patent Office
Prior art keywords
cannula
distal tip
surgical instrument
flow
orifices
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP13164090.6A
Other languages
German (de)
English (en)
Other versions
EP2792321A1 (fr
Inventor
Kristoffel Pieter Maria Mulier
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Vesalius Medical Technologies BVBA
Original Assignee
Vesalius Medical Technologies BVBA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Vesalius Medical Technologies BVBA filed Critical Vesalius Medical Technologies BVBA
Priority to EP13164090.6A priority Critical patent/EP2792321B1/fr
Priority to PCT/EP2014/057653 priority patent/WO2014170338A1/fr
Priority to US14/784,910 priority patent/US10702307B2/en
Publication of EP2792321A1 publication Critical patent/EP2792321A1/fr
Application granted granted Critical
Publication of EP2792321B1 publication Critical patent/EP2792321B1/fr
Priority to US16/895,353 priority patent/US11653949B2/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34—Trocars; Puncturing needles
    • A61B17/3494—Trocars; Puncturing needles with safety means for protection against accidental cutting or pricking, e.g. limiting insertion depth, pressure sensors
    • A61B17/3496—Protecting sleeves or inner probes; Retractable tips
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A61B18/14—Probes or electrodes therefor
    • A61B18/1482—Probes or electrodes therefor having a long rigid shaft for accessing the inner body transcutaneously in minimal invasive surgery, e.g. laparoscopy
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A61B18/14—Probes or electrodes therefor
    • A61B18/1487—Trocar-like, i.e. devices producing an enlarged transcutaneous opening
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A61B18/14—Probes or electrodes therefor
    • A61B18/1492—Probes or electrodes therefor having a flexible, catheter-like structure, e.g. for heart ablation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34—Trocars; Puncturing needles
    • A61B17/3474—Insufflating needles, e.g. Veress needles
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
    • A61B2018/00577—Ablation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
    • A61B2018/00595—Cauterization

Definitions

  • a multi-cannula surgical instrument according to the preamble of the first claim allowing a simultaneous multi-flow (inflow, outflow or a combination thereof) of fluids throughout the multi-cannula surgical instrument.
  • Such a multi-cannula surgical instrument which is designed to allow a simultaneous in- and outflow for instance can be used to flush an anatomical cavity.
  • the inner cannula (3) thus is reciprocally movable within the outer cannula (2) in a resilient way. Consequently, the inner cannula (3) resiliently moves within the outer cannula (2) when the resistance against the blunt distal tip (3b) of the inner cannula (3) changes. In other words, the inner cannula (3) is resiliently biased from the retracted to the advanced position when the resistance against the blunt distal tip (3b) of the inner cannula (3) diminishes.
  • a safety needle (1) typically comprises an outer cannula (2) having a sharp distal tip (2b) that is arranged to pierce (also called puncture or penetrate) tissue, more specifically tissue forming the wall of an anatomical (also called pathological or body) cavity (not shown in the figures) or anatomical tubular structure.
  • the outer cannula (2) therewith has a diameter and a wall thickness that is dependent upon the procedure to be performed and the anatomical structure or anatomical cavity that has to be penetrated.
  • the material of this inner and outer cannula (2, 3) also depends on the application of the safety needle.
  • the material however of the outer cannula (2) typically is stainless steel to allow accurate penetration of tissue.
  • the inner cannula is preferably manufactured out of stainless steel, but could for economic reasons also be manufactured out of a plastic material.
  • the outer cannula (2) typically is manufactured out of stainless steel, while the inner cannula (3) is typically manufactured out of a flexible material such as a flexible plastic material in order to allow that the inner cannula (3) to be movable within the outer cannula (2) as described above.
  • the inner cannula (3) is subdivided in a plurality of first inner ducts (31).
  • first inner ducts (31) For each first inner duct (31), at least one, and in this embodiment one, first flow-through orifice (32) is provided.
  • the distance (X) between the blunt distal tip (3b) of the inner cannula (3) and the distal tip (2b) of the outer cannula (2) is manually adjustable using a distance adjustment mechanism as already described above.
  • the hub (4) is provided with a resilient biasing mechanism (43) as described above, a user using this electrocautery instrument (1) is able to push the inner cannula (3) shallower or deeper into the outer cannula (2) allowing to automatically aspirate more or less smoke, fluids or debris produced during the electrocauterization process

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  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Public Health (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Veterinary Medicine (AREA)
  • General Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Physics & Mathematics (AREA)
  • Otolaryngology (AREA)
  • Plasma & Fusion (AREA)
  • Pathology (AREA)
  • Cardiology (AREA)
  • Surgical Instruments (AREA)

Claims (15)

  1. Instrument chirurgical multicanule (1), comprenant
    - une canule externe rigide (2) comprenant une extrémité proximale (2a) et une pointe distale tranchante (2b), dimensionnée pour percer le tissu formant une paroi d'une cavité ou structure anatomique ;
    - une canule interne (3), comprenant
    • une extrémité proximale (3a) et une pointe distale émoussée (3b) agencée de manière à entraver la pénétration de tissu et/ou prévenir les dommages involontaires de tissu par ladite pointe distale émoussée (3b),
    • un ou plusieurs premiers conduits internes (31) et un ou plusieurs premiers orifices à écoulement traversant (32) à proximité de ladite pointe distale émoussée (3b), ledit ou lesdits premiers orifices à écoulement traversant (32) étant en communication fluide avec ledit ou lesdits premiers conduits internes (31), ledit ou lesdits premiers conduits internes (31) et ledit ou lesdits premiers orifices à écoulement traversant (32) étant configurés pour permettre à un ou plusieurs flux de fluide de le ou les traverser ;
    où ladite canule externe (2) entoure au moins partiellement ladite canule interne (3) et ladite canule interne (3) est disposée de manière mobile dans ladite canule externe (2) entre une position rétractée, où ladite pointe distale (2b) de ladite canule externe (2) est positionnée au-delà de ladite pointe distale émoussée (3b) dissimulant ladite pointe distale émoussée (3b), et une position avancée, où ladite pointe distale émoussée (3b) est positionné au-delà de ladite pointe distale (2b) de ladite canule externe (2) dissimulant ladite pointe distale (2b) de ladite canule externe (2) ;
    - un moyeu (4) de montage pour ladite canule interne et ladite canule externe (2, 3) au niveau desdites extrémités proximales (2a, 3a) de ladite canule interne et de ladite canule externe (2, 3), ledit moyeu (4) comprenant un mécanisme de sollicitation (43) étant couplé à ladite canule interne (3) et étant agencé pour solliciter ladite canule interne (3) automatiquement depuis ladite position rétractée vers ladite position avancée en cas d'absence de résistance à l'encontre de ladite canule interne (3),
    CARACTERISE EN CE QUE ladite canule externe (2) comprend une ou plusieurs seconds orifices à écoulement traversant (22) au niveau de ladite pointe distale (2b) de ceux-ci, et ledit instrument chirurgical multicanule (1) comprend un ou plusieurs seconds conduits (21) disposés entre ladite canule interne (3) et ladite canule externe (2), ledit ou lesdits seconds conduits (21) étant en communication de fluide avec ledit ou lesdits seconds orifices à écoulement traversant (22) et ledit ou lesdits seconds conduits (21), ledit ou lesdits seconds orifices à écoulement traversant (22) et ledit moyeu (4) étant configurés de manière à permettre au moins un écoulement de fluide à travers ledit moyeu (4), ledit ou lesdits seconds conduits (21) et ledit ou lesdits seconds orifices à écoulement traversant (22).
  2. Instrument chirurgical multicanule (1) selon la revendication 1, CARACTERISE EN CE QUE ledit mécanisme de sollicitation comprend au moins un élément élastique (43) qui est couplé à ladite canule interne (3) et qui est agencé de manière élastique pour solliciter ladite canule interne (3) depuis ladite direction rétractée vers ladite position avancée lorsque la résistance contre ladite canule interne (3) diminue.
  3. Instrument chirurgical multicanule (1) selon la revendication 2, CARACTERISE EN CE QUE ledit élément élastique est un ressort (43).
  4. Instrument chirurgical multicanule (1) selon l'une quelconque des revendications 1 à 3, CARACTERISE EN CE QUE ledit moyeu (4) comprend un mécanisme de réglage de distance qui est agencé pour ajuster manuellement la position de ladite pointe distale émoussée (3b) de ladite canule interne (3) au-delà de ladite pointe distale (2b) de ladite canule externe (2).
  5. Instrument chirurgical multicanule (1) selon l'une quelconque des revendications 1 à 4, CARACTERISE EN CE QU'AU moins ladite canule interne (3) comprend une paroi latérale munie d'une graduation qui est agencée pour mesurer la position de ladite une canule interne (3) par rapport à ladite canule externe (2).
  6. Instrument chirurgical multicanule (1) selon l'une quelconque des revendications 1 à 5, CARACTERISE EN CE QUE ledit instrument chirurgical multicanule (1) comprend un ou plusieurs éléments d'espacement (25, 36) étant
    - situés à l'intérieur dudit ou desdits seconds conduits (21) ;
    - configurés pour maintenir ladite canule externe et ladite canule interne (2, 3) à une distance constante l'une par rapport à l'autre; et
    - configurés pour permettre à un ou plusieurs flux de fluide à travers ledit ou lesdits seconds conduits (21).
  7. Instrument chirurgical multicanule (1) selon l'une quelconque des revendications 1 à 6, CARACTERISE EN CE QUE ladite canule externe (2) comporte une paroi latérale munie d'un ou plusieurs seconds orifices supplémentaires à écoulement traversant (221).
  8. Instrument chirurgical multicanule (1) selon l'une quelconque des revendications 1 à 7, CARACTERISE EN CE QUE ladite canule externe et ladite canule interne (2,3) sont toutes deux coudées.
  9. Instrument chirurgical multicanule (1) selon l'une quelconque des revendications 1 à 8, CARACTERISE EN CE QUE ladite canule interne (3) comprend une pluralité de conduits internes (31) et comprend pour chaque conduit interne (31) au moins un premier orifice à écoulement traversant (32) à proximité de ladite pointe distale émoussée (3b) étant en communication fluide avec chaque conduit interne respectif (31), où lesdits conduits internes (31) et lesdits premiers orifices à écoulement traversant (32) sont configurés pour permettre une pluralité d'écoulements de fluide à travers ladite pluralité de conduits internes (31) et lesdits premiers orifices de passage (32).
  10. Instrument chirurgical multicanule (1) selon l'une quelconque des revendications 1 à 9, CARACTERISE EN CE QUE ladite canule interne (3) comprend une buse disposée au niveau de ladite pointe distale émoussée (3b), ladite buse comprenant une pluralité de petits orifices à écoulement traversant (222) étant en communication fluide avec ledit ou lesdits premiers conduits internes (31).
  11. Instrument chirurgical multicanule (1) selon l'une quelconque des revendications 1 à 10, CARACTERISE EN CE QUE ledit instrument chirurgical multicanule (1) comprend un ou plusieurs guides (34) qui sont insérés dans ladite canule interne (3) et qui s'étendent à travers un ou plusieurs desdits premiers orifices à écoulement traversant (32).
  12. Instrument chirurgical multicanule (1) selon l'une quelconque des revendications 1 à 10, CARACTERISE CE QUE ledit instrument chirurgical multicanule (1) comprend un ballon (33) qui peut être inséré dans une cavité anatomique ou une structure tubulaire anatomique et qui est appliqué sur ledit ou lesdits premiers orifices à écoulement traversant (32) disposé à proximité de ladite pointe distale émoussée (3b) de ladite canule interne (3), et où un ou plusieurs desdits un premiers orifices à écoulement traversant (32) sont configurés pour gonfler ledit ballon (33) à l'aide d'un gaz et/ou pour remplir ledit ballon (33) avec un liquide.
  13. Instrument chirurgical multicanule (1) selon l'une quelconque des revendications 1 à 12, CARACTERISE EN CE QUE ledit instrument chirurgical multicanule (1) est agencé comme aiguille de sécurité comprenant une canule externe (2) avec une pointe distale tranchante (2b) agencée pour permettre la pénétration du tissu humain et/ou animal, où dans ladite position avancée de ladite canule interne (3), ladite canule interne (3) est positionné au-delà de ladite pointe distale tranchante (2b) de ladite canule externe (2) entravant la pénétration de tissu et/ou la prévention des dommages involontaires de tissu par ladite pointe distale tranchante (2b) de ladite canule externe (2).
  14. Instrument chirurgical multicanule (1) selon la revendication 13, CARACTERISE EN CE QUE ladite pointe distale émoussée (3b) de ladite canule interne (3) est élargie en vue de la partie restante de ladite canule interne (3).
  15. Instrument chirurgical multicanule (1) selon l'une quelconque des revendications 1 à 12, caractérisé en ce que ledit instrument chirurgical multicanule (1) est agencé en tant qu'instrument d'électrocautérisation ayant une canule interne (3) ayant une pointe distale émoussée (3b) munie d'électrodes de cautérisation ou d'ablation (35).
EP13164090.6A 2013-04-17 2013-04-17 Instrument chirurgical multicanule Active EP2792321B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP13164090.6A EP2792321B1 (fr) 2013-04-17 2013-04-17 Instrument chirurgical multicanule
PCT/EP2014/057653 WO2014170338A1 (fr) 2013-04-17 2014-04-15 Instrument chirurgical à multiples canules
US14/784,910 US10702307B2 (en) 2013-04-17 2014-04-15 Multi-cannula surgical instrument
US16/895,353 US11653949B2 (en) 2013-04-17 2020-06-08 Multi-cannula surgical instrument

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP13164090.6A EP2792321B1 (fr) 2013-04-17 2013-04-17 Instrument chirurgical multicanule

Publications (2)

Publication Number Publication Date
EP2792321A1 EP2792321A1 (fr) 2014-10-22
EP2792321B1 true EP2792321B1 (fr) 2017-02-15

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP13164090.6A Active EP2792321B1 (fr) 2013-04-17 2013-04-17 Instrument chirurgical multicanule

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US (2) US10702307B2 (fr)
EP (1) EP2792321B1 (fr)
WO (1) WO2014170338A1 (fr)

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CA2899017A1 (fr) 2015-07-31 2017-01-31 Shiva Jayaraman Appareil de chirurgie laparoscopique
US11033665B2 (en) 2016-11-04 2021-06-15 The Arizona Board Of Regents On Behalf Of The University Of Arizona Modified veress needle assembly for tension pneumothorax decompression
US11039876B2 (en) 2017-05-16 2021-06-22 Megadyne Medical Products, Inc. Hand-held instrument with extendable shaft locking mechanism
US11992261B2 (en) 2017-05-16 2024-05-28 Megadyne Medical Products, Inc. Locking mechanism and sliding conductor for extendable shaft
US10765472B2 (en) 2017-05-16 2020-09-08 Megadyne Medical Products, Inc. Electrosurgical instrument extension attachment
EP3415106B1 (fr) 2017-06-14 2022-08-03 IMEC vzw Appareil d'interaction cérébrale, ancre crânienne et systèmes
EP3485826A1 (fr) * 2017-11-20 2019-05-22 Universität Regensburg - Universitätsklinikum Ensemble aiguille pour soulager un pneumothorax
CN111867532B (zh) * 2018-02-19 2024-01-05 新加坡保健服务集团有限公司 在靶外科手术部位处剪切组织的方法和设备
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Also Published As

Publication number Publication date
US20200297383A1 (en) 2020-09-24
WO2014170338A1 (fr) 2014-10-23
EP2792321A1 (fr) 2014-10-22
US20160143662A1 (en) 2016-05-26
US10702307B2 (en) 2020-07-07
US11653949B2 (en) 2023-05-23

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